‘All my best games I was medicated’: Matt Barnes on his game-day use of marijuana ‘All my best games I was medicated’: Matt Barnes on his game-day use of marijuana Washington Post Kenyon Martin says ’85 percent of the league’ smoked marijuana during his NBA career CBSSports.com Kenyon Martin Says 85 Percent of NBA Smokes Marijuana SLAM Online The World’s Best Athletes Smoke Weed. Here’s Proof. What Now? Bleacher Report Full coverage